【POJ3468--A Simple Problem with Integers（Splay Tree）】的更多相关文章

POJ3468--A Simple Problem with Integers（Splay Tree）

虽然有点难,但是这套题都挂了一个月了啊喂…… 网上模板好多……最后还是抄了kuangbin聚聚的,毕竟好多模板都是抄他的,比较习惯…… POJ 3468 题意:给n个数,两种操作,区间整体加一个数,或者区间求和. 题解:把区间的前一个数挪到根,区间后一个数挪到根的右子树,根的右子树的左子树就是要处理的区间... SplayTree是一个二叉排序树,它所保存的顺序是数字的编号,所以无论怎样旋转,编号的顺序都不会变... 在首尾各插入一个结点,这样求整个区间的时候也可以找到前一个数和后一个数...…

ACM学习历程——POJ3468 A Simple Problem with Integers（线段树）

Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum of numbers in a given interval. In…

poj3468 A Simple Problem with Integers （树状数组做法）

题目传送门 A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 142198   Accepted: 44136 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One…

A - 敌兵布阵 ——B - I Hate It——C - A Simple Problem with Integers（线段树）

C国的死对头A国这段时间正在进行军事演习,所以C国间谍头子Derek和他手下Tidy又开始忙乎了.A国在海岸线沿直线布置了N个工兵营地,Derek和Tidy的任务就是要监视这些工兵营地的活动情况.由于采取了某种先进的监测手段,所以每个工兵营地的人数C国都掌握的一清二楚,每个工兵营地的人数都有可能发生变动,可能增加或减少若干人手,但这些都逃不过C国的监视. 中央情报局要研究敌人究竟演习什么战术,所以Tidy要随时向Derek汇报某一段连续的工兵营地一共有多少人,例如Derek问:"Tidy,马上汇…

BZOJ3212: Pku3468 A Simple Problem with Integers（线段树）

3212: Pku3468 A Simple Problem with Integers Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 2530  Solved: 1096[Submit][Status][Discuss] Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of oper…

Simple Problem with Integers（POJ 3486）

                                                              A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 137519   Accepted: 42602 Case Time Limit: 2000MS Description You have N integers, A1, A2, ... ,…

poj3468 A Simple Problem with Integers（线段树区间更新）

https://vjudge.net/problem/POJ-3468 线段树区间更新(lazy数组)模板题 #include<iostream> #include<cstdio> #include<queue> #include<cstring> #include<algorithm> #include<cmath> #include<map> #define lson l, m, rt<<1 #define…

POJ3468 A Simple Problem with Integers（数状数组||区间修改的RMQ问题）

You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum of numbers in a given interval. Input The firs…

poj3468 A Simple Problem with Integers（线段树/树状数组）

Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum of numbers in a given interval. In…

kuangbin专题七 POJ3468 A Simple Problem with Integers （线段树或树状数组）

You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a given interval. The other is to ask for the sum of numbers in a given interval. Input The firs…